<template>
  <div class="container">
    <!--顶部区域-->
    <mt-header fixed title="新闻购物，一应俱全">
      <span slot="left" @click="goback" v-show="flag">
        <mt-button icon="back">返回</mt-button>
      </span>
    </mt-header>

    <!--内容区域-->
    <transition>
      <router-view></router-view>
    </transition>

    <!--底部tabbar区域-->
    <nav class="mui-bar mui-bar-tab">
      <router-link class="mui-tab-item-z" to="/home">
        <span class="mui-icon mui-icon-home"></span>
        <span class="mui-tab-label">首页</span>
      </router-link>
      <router-link class="mui-tab-item-z" to="/member">
        <span class="mui-icon mui-icon-email"></span>
        <span class="mui-tab-label">会员</span>
      </router-link>
      <router-link class="mui-tab-item-z" to="/shopcar">
        <span class="mui-icon mui-icon-extra mui-icon-extra-cart"><span class="mui-badge">0</span></span>
        <span class="mui-tab-label">购物车</span>
      </router-link>
      <router-link class="mui-tab-item-z" to="/search">
        <span class="mui-icon mui-icon-search"></span>
        <span class="mui-tab-label">搜索</span>
      </router-link>
    </nav>
  </div>

</template>


<script>
export default {
  data(){
    return {
      flag:false
    }
  },
  created(){
    this.flag=this.$route.path==='/home'?false:true
  },
  methods:{
    goback(){
      this.$router.go(-1)
    }
  },
  watch:{
    '$route.path': function(back){
      if(back==='/home'){
        this.flag=false
      }else{
        this.flag=true
      }
    }
  }
}
</script>


<style lang="scss" scoped>
  .container{
    padding-top: 40px;
    overflow-x: hidden;/*这里不能加Y，会影响页面滑动*/
  }
  .v-enter{
    opacity: 0;
    transform: translateX(100%);
  }
  .v-leave-to{
    opacity: 0;
    transform: translateX(-100%);/*实现页面滑动平滑*/
    position: absolute;/*取消页面进入时跳动*/
  }
  .v-enter-active,
  .v-leave-active{
    transition: all 0.3s ease;
  }
  .mint-header-title{
    font-size: 20px;
  }

  .mui-bar-tab .mui-tab-item-z.mui-active[data-v-7ba5bd90] {
    color: #007aff;
  }
  .mui-bar-tab .mui-tab-item-z {
    display: table-cell;
    overflow: hidden;
    width: 1%;
    height: 50px;
    text-align: center;
    vertical-align: middle;
    white-space: nowrap;
    text-overflow: ellipsis;
    color: #929292;
  }
  .mui-bar-tab .mui-tab-item-z .mui-icon ~ .mui-tab-label {
    font-size: 11px;
    display: block;
    overflow: hidden;
    text-overflow: ellipsis;
  }
  .mui-bar-tab .mui-tab-item-z .mui-icon {
    top: 3px;
    width: 24px;
    height: 24px;
    padding-top: 0;
    padding-bottom: 0;
  }
</style>
